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ST700D Array Spectrophotometer

Spectro Chroma Meter: Accurate Color Measurement

The Array Versatile Spectrophotometer ST‑700d is a high‑precision color measurement instrument that integrates advanced optical and electronic technologies to enable accurate measurement and analysis of object color, for reliable paints and coatings matching applications on a wide variety of sample sizes, shapes, textures, and opacity levels.


Key Highlights

  • Large Touch Screen Operation, Fully Automatic Calibration

  • Excellent Repeatability (ΔE * AB≤0.022)

  • Inter - instrument Error Control (ΔE * AB≤0.2)

  • Basic measurement, statistical measurement, continuous measurement, QC measurement

  • Equipped with a 400 - 700nm full - waveband balanced LED and UV light source

  • Three Measuring Calibers: 8mm Platform + 4mm Platform + 1*3mm

ST700D Array Spectrophotometer Instructions Operating Manual ST700D Array Spectrophotometer PDF
This ST700D Instrument are Certified with
certify
1 Years Warranty (Additional support period of 3 years)

Array_Spectrophotometer_ST-700d


ST700D Array Spectrophotometer Main Features


  • Silicon photodiode array (double 40 array) sensor, accurate and stable measurement.

  • Contact automatic whiteboard calibration technology, no need to start each correction;

  •  Provide 40+ observation light sources and more than 10 kinds of measurement indicators;

  •  Equipped with three larger measuring calibers to meet the sample measurement needs;

  •  Passed the authoritative metrological identification;

  •  Camera positioning can clearly observe the measured area;

  •  Powerful function, support APP color matching, establishment of personal data, cloud storage;

  •  Support Android, IOS, Windows, HarmonyOS, wechat mini program, color cloud, etc


st700d_color_measurement.jpg


Silicon photodiode array (dual 40 array) sensor


Larger area dual 40 array sensor, will not be saturated under strong light, sensitivity is higher under weak light, and the spectrum response range is wider, which ensures the measurement speed, accuracy, stability and consistency of the instrument.  Master the core technology, developed from same platform as international standards with full compatibility.


20221027150439746.jpg


Dual Optical Path System for More Accurate Color Measurement


Dual optical path system, the optical resolution in the visible light range is less than 10nm, and can measure the SCI and SCE spectra of samples at the same time.


ST700D Dual Optical Path System


Using the Internationally Universal D/8 SCI/SCE Synthesis Technology


Using D/8 (SCI/SCE) to measure the structure, more objectively reflect the color itself, reduce the impact of the surface texture of the object on the test results,

Comply with the standard :CIE No.15,GB/T 3978,GB 2893,GB/T 18833,ISO7724-1,ASTM E1164,DIN5033 Teil7


D8 SCI SCE


Adopt Full-band balanced LED light source + UV light source


The use of 400~700nm full band balanced LED light source +UV light source as the instrument lighting source. there is sufficient spectral distribution in the visible range, to ensure the accuracy of the instrument measurement results. fluorescent materials can also be easily measured.

LED light source +UV light source spctrum


Excellent inter-instrument Error and repeatability


1, powerful data processing ability to ensure the stability and accuracy of the measurement data,

 repeatability ΔE*ab easily controlled within 0.022.


2, the data is stable and reliable, to ensure the consistency of measurement data of multiple devices.


inter-instrument Error compare


Achieve fast batch inspection

The measurement time is only about 1.5s, and the measurement is accurate, simple and fast.


batch Comparative analysis of sample and standard

Camera framing positioning can clearly observe the measured area


The array spectrophotometer ST-700d has a built-in camera for viewing and positioning. Through the real-time viewing of the camera, it can accurately determine whether the measured part of the object is at the center of the target, which improves the measurement efficiency and accuracy.


Camera_framing_positioning.jpg


Non-contact automatic whiteboard Calibration


1, intelligent calibration base, can be contact automatic whiteboard verification.

2, original whiteboard correction technology, correction is reliable, greatly increase the service

 life of the whiteboard.

3, intelligent calibration base can also be charged, calibration, charging two in one.


whiteboard_Calibration.jpg


Can be connected to mobile phone measurement

The array spectrophotometer ST-700d supports Android, IOS, Windows, WeChat applets, and Harmony OS,

The instrument can be connected to the mobile phone to achieve:

  • Color difference measurement, color simulation is more intuitive

  • Find the most similar color, and view the details of the Lab value, spectrum, etc.

  • You can create a personal color database, input printing, paint, textile and other color card

    information.

  •  Sewing color matching, provide color scheme.

  •  APP, small program synchronization mass storage; A large number of electronic color cards,

    anytimeand anywhere to share partners use.


connect_to_mobile_phone_measurement.jpg


PC Software—Realize More Function Expansion

SQCX Color quality management software


SQCX_Color_quality_management_software.jpg
customers_color_measurement_needs.jpg

Equipped with three measuring apertures


To meet the needs of more sample measurement，the array spectrophotometer 8mm diameter: suitable for testing conventional flat surface products, such as: paint, paint, printing and other objectsT-700d is equipped with Ø8mm platform aperture, Ø4mm platform aperture, and 1x3mm aperture as standard accessory, which meets the measurement needs of most special samples.

8mm Apertures: suitable for testing conventional flat surface products, such as: paint, paint, printing and other objects.

4mm Apertures: suitable for detecting small parts (small parts with a diameter of 4~8mm), curved products.

1X3mm Apertures: suitable for testing small parts, curved products.


ST700D_three_measuring_apertures.jpg


Test SCI/SCE At The Same Time

SCI: includes specular reflected light measurement mode, SCE: excludes specular reflected light measurement mode.

SCI_SCE_COLOR_MEASUREMENT.jpg

Reflectance Can Be Measured


  • It can be professionally measured for the color and reflectivity of fluorescent materials.

  • Measuring wavelength range: 400-700nm.

  • The wavelength of light, the reflectance of the sample and the difference of the reflectance of the 

standard sample were measured with a frequency interval of 10nm.


Measuring_Reflectivity_compare.jpg


Extensive Application

 It is used in plastic electronics, paint and coatings, textile printing and dyeing, printed paper products, automobiles, medical care, cosmetics and food industries, and also are widely used in scientific research institutions and laboratories.

st700d_applications.jpg



ST-700D Instrument Specifications


ModelArray Spectrophotometer ST-700d
Illuminating/Viewing GeometryD/8（diffused illumination, 8-degree viewing angle）
SCI & SCE; Include UV & Exclude UV.
Conform to Standards: CIE No.15,GB/T 3978,GB 2893,GB/T 18833,ISO7724-1,ASTM E1164,DIN5033 Teil7
Measuring ApertureThree Apertures: 8mm Platform + 4mm Platform + 1*3mm
Integrating Sphere SizeΦ40mm
Locating MethodCross Locating + Camera Locating
Color SpaceCIE LAB,XYZ,Yxy,LCh,CIE LUV,s-RGB,HunterLab,βxy,DIN Lab99 Munsell(C/2)
SensorLarge-area silicon photodiode array (40 pairs of dual columns)
Spectroscopic MethodPlane Grating
Color Difference FormulaΔE*ab,ΔE*uv,ΔE*94,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*00, DINΔE99,ΔE(Hunter)
IlluminantD65,A,C,D50,D55,D75,F1,F2(CWF),F3,F4，F5，F6,F7(DLF),F8,F9，F10(TPL5),F11(TL84),F12(TL83/U30),B,U35,NBF,
ID50,ID65,LED-B1,LED-B2,LED-B3,LED-B4,LED-B5,LED-BH1,LED-RGB1,LED-V1,LED-V2,LED-C2,LED-C3,LED-C5, Light source can be customized(a total of 41 kinds of light sources, some of which are realized through the host computer/APP)
Light Source Combined Full Spectrum LED Lamp, UV Lamp.
Specular ComponentMeasure SCI+SCE at the same time
Observer Angle2°/10°
Other Colorimetric IndexSpectrum Reflectance Rate, WI(ASTM E313-00, ASTM E313-73, CIE/ISO, AATCC, Hunter, TaubeBergerStensby),
YI(ASTM D1925,ASTM E313-00,ASTM E313-73)
Metamerism Index Mt，
Staining Fastness, Color Fastness, Strength (dye strength, tinting strength), Opacity
8-degree Gloss, 555 Index，Blackness（My,dM）, Color Density CMYK(A,T,E,M), Tint(ASTM E313-00)，Munsell（Some functions are realized through the computer）
Wavelength Interval10nm
Wavelength Range400-700nm
Reflectance Range0~200%
RepeatabilityChromaticity Value: MAV/SCI, within ΔE*ab 0.022 (after warm-up and calibration, the average value of measuring 30 times on the whiteboard at intervals of 5s)
Spectral reflectance: MAV/SCI, standard deviation within 0.07% (400~700nm)
Inter-instrument ErrorMAV/SCI, ΔE*ab within 0.2（The average value of measuring BCRA series Ⅱ 12 color tiles）
Displayed Accuracy0.01
Displayed DataSpectrogram/Values, Samples Chromaticity Values, Color Difference Values/Graph, PASS/FAIL Result, Color Simulation, Color Offset
Measurement ModeSingle Measurement, Average Measurement(2-99times)
Data StorageAPP mass storage
Locating MethodCross Locating + Camera Locating
White Calibration    modeNon-contact automatic whiteboard Calibration
DimensionLength X Width X Height=114X70X208mm
WeightAbout 435g（Calibration Base not included）
BatteryLithium battery, 3.7V, 5000mAh, 8500 times measurements within 8 hours
Illuminant Life SpanMore than 1.5 million measurements in 10 years
ScreenTFT True Color 3.5inch，Capacitive Touch Screen
InterfaceUSB，Bluetooth®5.0
Data Storage500 pcs standard samples, 20,000 pcs samples (one piece of data can include SCI+SCE at the same time), APP/PC mass storage
Software supportAndriod, IOS, Windows, Wechat APPlet, Harmony OS.
LanguageSimplified Chinese, Traditional Chinese, English
Operating Environment0~40℃, 0~85%RH (no condensing),Altitude < 2000m
Storage Environment-20~50℃, 0~85%RH (no condensing)
Standard AccessoryPower adapter, USB cable, Manual, Quality Management Software (official website download), Calibration Box, Protective Cover, Wrist Strap, Measuring Apertures
Optional AccessoryMicro-printer, Powder Test Box.


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FAQs About ST700D Spectrophotometer

The machine used to measure color is primarily called a colorimeter or spectrophotometer. 

Spectrophotometer: The most common and precise type. It analyzes light reflected/transmitted by an object across the visible spectrum to quantify color accurately. A spectrophotometer can measure colors on smooth or matte surfaces, as well as textured, glossy, mirror-like surfaces, and special effect colors. It measures the reflected light of a sample at a fixed angle (e.g., 45˚) or captures light reflected at all angles to calculate color measurements that closely match what the human eye perceives. Additionally, similar to how humans flip a sample to view colors from different angles, a spectrophotometer is suitable for measuring a variety of materials and surface characteristics. Widely used in industries like paint, textiles, plastics, Chemicals, Pharmaceuticals, and printing. 

Colorimeter: Also called photoelectric integrating colorimeter, a simpler, more cost-effective option. It measures color based on three primary colors (RGB) and is suitable for basic color matching needs. A photoelectric integrating colorimeter is a color measurement device based on the photoelectric integration principle. It directly measures the tristimulus values XYZ of an object's color using three color filters (red, green, blue) and silicon photocells as three sensors. The color measurement principle of this instrument imitates the human eye's mechanism of perceiving the three primary colors (red, green, blue). It corrects the relative spectral sensitivity of the detector through color filters to match the CIE-recommended spectral tristimulus value functions x(λ), y(λ), and z(λ).

Spectrocolorimeter: Combines the functions of spectrophotometers and colorimeters, offering both spectral data and color space values for comprehensive analysis.

Colorimeters or spectrophotometers are used to measure liquid color. They measure light coming through or reflecting off the liquid. Readings can be reported as Lab*, RGB, or absorbance units. So that objective color analysis can be used to control quality, or to measure chemical concentration.

For premier ink quality control (CMYK, spot colors, printing density, formulation & press-side QC), these 3nh spectrophotometers / spectrodensitometers stand above the rest:


1. YD5050 / YD5010 (Best for Printing & Ink Press QC)

  • 45/0 ring illumination, ISO 5-4 / ISO 13655 (M0/M1/M2/M3)

  • Measures density (Status T/E/A/I), dot gain, trap, print contrast

  • ΔE*ab ≤ 0.03, density ≤ 0.01D

  • Small apertures (Φ2/4/8mm) for fine print & ink dots

  • Ideal: packaging, label, gravure, flexo, CMYK/spot color control

    YD5050


2. TS8560 Benchtop (Lab Formulation & Highest Accuracy)

  • d/8° sphere, SCI/SCE, UV control

  • ΔE*ab ≤ 0.01 (repeatability), IIA ≤ 0.1

  • Multi-apertures (Φ3/8/15/25mm)

  • Best for: R&D, ink formulation, batch consistency, fluorescent inks

    TS8560_Benchtop_colorimeter


3. TS7700 Portable (Production & Field Matching)

  • d/8° (SCI/SCE), ΔE*ab ≤ 0.02

  • Fast, handheld, large Φ20mm aperture

  • Best for: press-side checks, warehouse incoming ink, on-site matching

    TS7700_Portable_colorimeter
    3nh TS7700 

4. YS6060 Benchtop (High-End Lab & Transmissive Inks)

  • 360–780nm, UV adjustable, dual CMOS

  • Reflection & transmission modes

  • Multi-aperture (Φ4/8/15/25.4mm)

  • Best for: high-precision lab R&D, transparent/fluorescent inks

    YS6060_Benchtop_colorimeter


Short Recommendation

  • Best press-side / print QC: YD5050

  • Top lab formulation: TS8560

  • Best portable production: TS7700

  • High-end lab R&D: YS6060

All ensure ultra-precise color, density & consistency for offset, flexo, gravure, screen-printing & packaging inks.


Always a pre-production sample before mass production; Always final Inspection before shipment; 

Colorimeters is a color measurement device that are used to capture, communicate, and evaluate color. Colorimeters are more affordable, portable, and easier to use, making them a suitable choice for basic color measurement applications, ideal for quick and routine tests.

spectrophotometers offer higher precision and comprehensive data analysis, are better for research, development, and when dealing with complex or highly precise requirements. The biggest difference is in capability and usage. Spectrophotometers are incredibly powerful and can offer more in-depth color measurements than a colorimeter, such as spectral data.

Colorimeters are primarily used for color quality control, while spectrophotometers are used for analysis and formulation. You can choose the appropriate color measurement equipment according to your application needs.


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